/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: fzykd
 * Date: 2023-05-25
 * Time: 11:49
 */

public class App {
    public static void main(String[] args) {
        //选择列表框
        Basic basic = new ListBos();
        //修饰
        basic = new ScrollBar(basic);
        System.out.println(basic.getDes());
    }
}
